If you are updating this device, the EMUI 10.1 update was the major lifecycle upgrade for this phone. Key features included:
Flashing will wipe everything. Use:
The firmware for the Huawei Y9 Prime 2019 is the device’s integrated software package that includes the Android operating system + Huawei’s EMUI user interface, device drivers, baseband (modem) firmware, and recovery. Firmware controls hardware functions (display, camera, Wi‑Fi, Bluetooth, cellular radio), power management, security updates, and feature sets specific to EMUI. firmware huawei y9 prime 2019
After successfully installing the firmware: If you are updating this device, the EMUI 10
This method uses a special dload folder on an SD card. Flashing will wipe everything
Warning: This wipes all data and can hard-brick if the wrong firmware is used.